National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Rapid Warm-Up Forecast Across Much of the Lower 48 Today and Tuesday

Most of the U.S. starts the week calm and unseasonably warm. The Heartland will be warmest, with highs 25–30° above average. Only the Gulf Coast stays chilly. Rain today is limited to western Washington while lake effect snow continues east of Lake Ontario. Cooler air returns after Tuesday, bringing a wintry mix to the Midwest and Northeast by Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Concord, Buchanan Field (KCCR)

Lat: 37.99167°NLon: 122.05194°WElev: 23.0ft.

Clear

57°F

14°C

Humidity 58%
Wind Speed NE 8 MPH
Barometer 30.26 in (1024.72 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 12 Jan 03:35 PM PST
Extended Forecast for

4 Miles E Hercules CA

Cold Weather Advisory January 13, 01:00am until January 13, 09:00am
Click here for hazard details and duration
Cold Weather Advisory

  • Tonight

    Tonight: Mostly clear, with a low around 40. East wind 6 to 8 mph.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 58. East northeast wind 9 to 11 mph, with gusts as high as 18 mph.

    High: 58 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 40. East wind around 6 mph.

    Low: 40 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 58. East northeast wind around 9 mph.

    High: 58 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 42. East northeast wind around 8 mph.

    Low: 42 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 40. East wind 6 to 8 mph.
Tuesday
Sunny, with a high near 58. East northeast wind 9 to 11 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly clear, with a low around 40. East wind around 6 mph.
Wednesday
Sunny, with a high near 58. East northeast wind around 9 mph.
Wednesday Night
Mostly clear, with a low around 42. East northeast wind around 8 mph.
Thursday
Sunny, with a high near 59.
Thursday Night
Mostly clear, with a low around 44.
Friday
Sunny, with a high near 60.
Friday Night
Mostly clear, with a low around 42.
Saturday
Mostly sunny, with a high near 59.
Saturday Night
Mostly clear, with a low around 43.
Sunday
Mostly sunny, with a high near 60.
Sunday Night
Partly cloudy, with a low around 43.
M.L.King Day
Partly sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Hercules CA
 38.01°N 122.18°W (Elev. 597 ft)
Last Update:
12:41 pm PST Jan 12, 2026
Forecast Valid:
3pm PST Jan 12, 2026-6pm PST Jan 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation